MBMS cell reselection to packet channel

Details MBMS cell reselection to packet channel MBMS cell reselection to packet channel

2005-08-04

2008-09-02

Tran, Tuan A (Department: 2618)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S436000, C455S437000, C455S439000, C455S440000, C455S561000, C455S450000, C455S452100, C455S452200, C370S331000, C370S335000, C370S437000

Reexamination Certificate

active

07421272

ABSTRACT:
A method and corresponding equipment by which a mobile station (wireless terminal) is able to undergo handover to another cell of a telecommunication system, and continue to receive a point-to-multicast transmission (e.g. MBMS packets) without a delay otherwise caused because of having to receive a channel (e.g. PBCCH in case of MBMS) conveying system information in the new cell and so causing the mobile station to first obtain the bearer information/location for the system information channel. The method is based on the mobile station using information in a neighboring cell information message (e.g. the MNCI message in case of an MBMS session) or other message (possibly specially defined) before changing to the new cell to determine the bearer information for the system information channel in the new cell (and also obtaining from the neighboring cell information the bearer information for receiving the point-to-multipoint transmission in the new cell).

REFERENCES:
patent: 2004/0202140 (2004-10-01), Kim et al.
patent: 2005/0141443 (2005-06-01), Kim et al.
patent: 2005/0195852 (2005-09-01), Vayanos et al.

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